using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class polarzones : DemoModule
    {
        //Name of demo module
        public string getName() { return "Circular Zones"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 1; }

        //Main code for creating chart.
        //Note: the argument img is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, string img)
        {
            // The data for the chart
            double[] data = {51, 15, 51, 40, 17, 87, 94, 21, 35, 88, 50, 60};

            // The labels for the chart
            string[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
                "Aug", "Sept", "Oct", "Nov", "Dec"};

            // Create a PolarChart object of size 400 x 420 pixels
            PolarChart c = new PolarChart(400, 420);

            // Set background color to a 2 pixel pattern color, with a black border
            // and 1 pixel 3D border effect
            c.setBackground(c.patternColor(new int[] {0xffffff, 0xe0e0e0}, 2), 0, 1);

            // Add a title to the chart using 16 pts Arial Bold Italic font. The
            // title text is white (0xffffff) on 2 pixel pattern background
            c.addTitle("Chemical Concentration", "Arial Bold Italic", 16, 0xffffff
                ).setBackground(c.patternColor(new int[] {0x000000, 0x000080}, 2));

            // Set center of plot area at (200, 240) with radius 145 pixels. Set
            // background color to blue (9999ff)
            c.setPlotArea(200, 240, 145, 0x9999ff);

            // Color the region between radius = 40 to 80 as green (99ff99)
            c.radialAxis().addZone(40, 80, 0x99ff99);

            // Color the region with radius > 80 as red (ff9999)
            c.radialAxis().addZone(80, 999, 0xff9999);

            // Set the grid style to circular grid
            c.setGridStyle(false);

            // Set the radial axis label format
            c.radialAxis().setLabelFormat("{value} ppm");

            // Use semi-transparent (40ffffff) label background so as not to block
            // the data
            c.radialAxis().setLabelStyle().setBackground(0x40ffffff, 0x40000000);

            // Add a legend box at (200, 30) top center aligned, using 9 pts Arial
            // Bold font. with a black border.
            LegendBox legendBox = c.addLegend(200, 30, false, "Arial Bold", 9);
            legendBox.setAlignment(Chart.TopCenter);

            // Add legend keys to represent the red/green/blue zones
            legendBox.addKey("Under-Absorp", 0x9999ff);
            legendBox.addKey("Normal", 0x99ff99);
            legendBox.addKey("Over-Absorp", 0xff9999);

            // Add a blue (000080) spline line layer with line width set to 3 pixels
            // and using yellow (ffff00) circles to represent the data points
            PolarSplineLineLayer layer = c.addSplineLineLayer(data, 0x000080);
            layer.setLineWidth(3);
            layer.setDataSymbol(Chart.CircleShape, 11, 0xffff00);

            // Set the labels to the angular axis as spokes.
            c.angularAxis().setLabels(labels);

            // Output the chart
            viewer.Image = c.makeImage();

            // Include tool tip for the chart.
            viewer.ImageMap = layer.getHTMLImageMap("clickable", "",
                "title='Concentration on {label}: {value} ppm'");
        }
    }
}

